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📦 Installing a modpack on your Minecraft server#

Learn how to easily install a modpack on your Minecraft server hosted at LibraHost. With our built-in modpack explorer, you can search and install modpacks directly from the panel, without manual downloads!

🎯 Objective#

  • Use the built-in modpack explorer
  • Search and browse available modpacks
  • Install a modpack in a few clicks
  • Configure and launch your modded server

🧰 Prerequisites#

  • A Minecraft server at LibraHost
  • Access to the management panel
  • Sufficient allocated RAM (minimum 4 GB recommended for modpacks)

1️⃣ Accessing the modpack explorer#

🔹 Opening the modpack manager#

  1. Log in to your LibraHost client area
  2. Select your Minecraft server
  3. In the navigation bar, click on Modpacks

Server navigation bar with the Modpacks tab

You will arrive at the Modpack Manager, which automatically displays the most popular modpacks.

Modpack manager overview with the modpack grid


2️⃣ Searching for a modpack#

  1. Type the name of the modpack you're looking for in the "Search modpacks..." field
  2. Click the Search button or press Enter

Search bar with a search term entered

🔹 Sorting results#

Use the dropdown menu to sort modpacks according to your preferences:

OptionDescription
FeaturedModpacks featured by CurseForge
PopularityRanking by recent downloads
Last UpdatedRecently updated modpacks
NameAlphabetical order
AuthorRanking by author name
Total DownloadsRanking by total download count

Open sort dropdown menu with visible options

🔹 Browsing results#

Modpacks are displayed as cards with:

  • The modpack image
  • The title
  • A short description
  • The download count
  • The last update date

3️⃣ Viewing modpack details#

🔹 Opening the modpack page#

Click on a modpack card to open its detailed page.

Modpack details modal open

The page displays:

  • Image and title of the modpack
  • Author(s) of the project
  • Full description with all information
  • Statistics: downloads, creation and update dates
  • Available versions in the dropdown menu

🔹 Choosing the version#

  1. Click on the version dropdown menu
  2. Select the desired version (Minecraft version + modpack version)

Open version dropdown menu with multiple options

💡 Tip: Choose a stable and recent version. The "latest" version is usually pre-selected by default.

🔹 Learning more on CurseForge#

Click on "View on CurseForge" to access the official modpack page and view more information (changelog, wiki, comments).


4️⃣ Installing the modpack#

🔹 Starting the installation#

  1. Verify that the correct version is selected
  2. Click the Install button

Install button in the modpack modal

⚠️ Warning: The installation will delete all existing files on your server. Make sure to create a backup if necessary (see next section).

🔹 Following the progress#

Once the installation starts, a progress bar is displayed:

Progress bar during download

The installation steps are:

  1. Download - Retrieving the modpack from CurseForge
  2. Extraction - Decompressing the archive
  3. Processing - Configuring the files

🔹 Installation complete#

When the installation is finished, a green success message is displayed.

Success message "Modpack installation completed successfully!"


5️⃣ Configuring and starting the server#

🔹 Configuring the startup command#

After installing a modpack, you need to configure the startup command so the server knows which file to execute.

  1. Go to the Startup tab
  2. Locate the Startup Command section

Startup tab with the startup command section visible

🔹 Using automatic suggestions#

LibraHost offers an automatic detection feature that analyzes your server files and suggests the appropriate startup command.

  1. Click the (star) button next to the startup command
  2. The system automatically analyzes the server files
  3. A window opens with startup command suggestions

Star button (Sparkles) to launch automatic detection

  1. Review the proposed suggestions:
    • Each suggestion displays a name, a description, and a command preview
    • Suggestions are based on detected JAR files (Forge, Fabric, etc.)

Startup command suggestions modal with multiple options

  1. Click on the suggestion that matches your modpack
  2. The command appears in the edit field
  3. Click the (validate) button to save

Startup command in edit mode with validate/cancel buttons

💡 Tip: If no suggestions appear, verify that the modpack files have been installed at the server root.

🔹 Verifying the Java version#

Make sure the correct Java version is selected:

Minecraft VersionRequired Java Version
1.20.x and +Java 17 or 21
1.18.x - 1.19.xJava 17
1.16.x - 1.17.xJava 16 or 17
1.12.x - 1.15.xJava 8

Docker image / Java version selector

🔹 Accepting the EULA#

If this is the first installation:

  1. Go to the Files tab
  2. Open the eula.txt file
  3. Change eula=false to eula=true
  4. Save the file

eula.txt file with the modified value

🔹 Starting the server#

  1. Return to the Console
  2. Click Start
  3. Wait while the mods load

Console during startup with mods loading

⏱️ Note: The first startup may take several minutes as the server needs to load all mods and generate configuration files.

The server is ready when you see:

Done (XXs)! For help, type "help"

Console with the "Done" message indicating the server is ready


6️⃣ Connecting to the server#

🔹 Installing the modpack on the client side#

⚠️ Important: To join the server, you must have exactly the same modpack installed on your computer.

  1. Download a compatible launcher:

  2. Search and install the same modpack (same version!)

Launcher with the modpack installed

🔹 Joining the server#

  1. Launch Minecraft with the modpack profile
  2. Go to Multiplayer
  3. Click Add Server
  4. Enter your LibraHost server address
  5. Connect and have fun!

Minecraft multiplayer screen with the server added


🔧 Troubleshooting#

The modpack won't install#

  • Check your connection: Installation requires downloading from CurseForge
  • Disk space: Make sure you have enough space on your server
  • Try again: In case of network error, restart the installation

The server won't start after installation#

  • Insufficient RAM: Modpacks often require 4-8 GB of RAM minimum
  • Wrong Java version: Check Java/Minecraft compatibility
  • Check the logs: The console displays startup errors

"Mod missing" error when connecting#

  • Different versions: Make sure you have exactly the same modpack version
  • Client-only mods: Some mods are server-side only

The server is lagging or crashing#

  • Increase RAM: Via your LibraHost client area
  • Reduce render distance: In server.properties, lower view-distance
  • Pre-generate the world: Use a mod like Chunky to pre-generate chunks

✅ Conclusion#

Thanks to the built-in modpack explorer, installing a modpack on your LibraHost server has never been easier! In just a few clicks, you can:

  • Browse hundreds of modpacks from CurseForge
  • Automatically install the modpack of your choice
  • Follow the progress in real-time

Don't forget to:

  • Make regular backups of your server
  • Keep the same modpack on the client side to be able to connect
  • Check for updates to benefit from the latest features

Need help? Contact LibraHost support via your client area.